IUPAC:(1S,11S,12R,13R)-11-hydroxy-3,17,18-trimethoxy-12,13-dimethyl-5,7-dioxapentacyclo[10.7.0.0^{1,15}.0^{2,10}.0^{4,8}]nonadeca-2,4(8),9,15,17-pentaen-19-one
IUPAC:(1S,11S,12R,13R)-11-hydroxy-3,17,18-trimethoxy-12,13-dimethyl-5,7-dioxapentacyclo[10.7.0.0^{1,15}.0^{2,10}.0^{4,8}]nonadeca-2,4(8),9,15,17-pentaen-19-one